/Engine/Source/Runtime/MovieScene/Public/MovieScene.h
Find a track binding Guid from aUMovieSceneTracktrue if a binding was found for this track.
bool FindTrackBinding ( const [UMovieSceneTrack](API\Runtime\MovieScene\UMovieSceneTrack) & InTrack, [FGuid](API\Runtime\Core\Misc\FGuid) & OutGuid ) const